SISO Native — spec kit

2 · Stat strip

Headline numbers

122,529Commits across mapped repos

85%Already exists

11Assemble from a base

3Must be built

3 · 4 · Dense table + tags

Feature map

#	Line	Status	Donor
F01	Participant Management	Have	careOS/office-clients
F15	Quarterly Budgets	Assemble	openimis/ledger MIT
F23	Restrictive Practices	Build	No donor exists

6 · Kanban

Sprint board

S0 · Qualifyweek 1

Stand up hostApply migrations, confirm guards fire.1d

Negative auth testTenant B cannot read tenant A.0.5d

S1 · Buildweeks 1–3

Care loopReferral through signed note.10d

S2 · Moneyweeks 3–5

Claim batchExport, reconcile, UNKNOWN state.3d

7 · Gantt

Timeline — ghost bar = blocked

WorkstreamW1W2W3W4W5W6W7W8

S0 · Qualifyspike

S1 · Care loopintake → note

Client bindingblocked

8 · Layer stack

Architecture

1 · SpinecareOS · MIT

62 SQL migrations. Audit chain, consent, event outbox. 850 KB of portable PostgreSQL.

2 · MoneyopenIMIS

Accounting periods with DB-level closed-period immutability triggers.

10 · Spec accordion

Expandable detail

F18Claim ManagementAssemble

States

DRAFT → VALIDATED → APPROVED → EXPORTED → ACCEPTED / UNKNOWN → RECONCILED.

Critical detail

UNKNOWN is a first-class state. A timed-out submission is not failed — resubmitting risks duplicate payment.

Acceptance

The same service cannot appear on two batches
A replayed remittance import changes no totals

F23Restrictive PracticesBuild

Critical detail

The system records; it never authorises.

11 · VS panel

Comparison

Quoted price vs build cost

As quoted

$40,000

12 weeks · from scratch

Priced as new construction
85% already exists

Compute cost

$1,200

2 plans × 3 months

20–50B tokens
6–7 weeks calendar

Compute is roughly 3% of the quoted price — a 33× gap.

12 · Funnel

Provenance

The corpus behind the selection

1.36MRepo identity databaseharvested

210,991Placed in taxonomy226,968 placements

23,778Best-in-categoryreuse value

20Selected and read at sourcesix rounds

13 · Flow rows

Wiring decisions

Host

careOS is the application. Clone it, build inside it.

Database

One Postgres, three schemas, one owner each.

14 · Package columns

Priced tiers

Package 1

$30,000

was $40,000

8 weeks

Participant Management
Care Plans
Budget Management
Mobile Application

Package 2

$40,000

was $50,000

12 weeks

Everything in P1
Claim Management

9 · 15 · Callout + source

Emphasis and quoted source

Blocker

The scope specification the quote cites has never been supplied.

Confirmed

Credential expiry is already implemented in the chosen spine.

Source documentSHA-256 a64cc3e5…2ff4e

Executive summary

"Our technical assessment confirms that it is feasible to add this new module into our platform."